Dual-sided toothbrush



FIG. 1 illustrates a front perspective view of a dual-sided toothbrush.

FIG. 2 illustrates a top view of the dual-sided toothbrush.

FIG. 3 illustrates a bottom view of the dual-sided toothbrush.

FIG. 4 illustrates a right-side view of the dual-sided toothbrush.

FIG. 5 illustrates a left-side view of the dual-sided toothbrush.

FIG. 6 illustrates a front view of the dual-sided toothbrush; and,

FIG. 7 illustrates a rear view of the dual-sided toothbrush. 

CLAIM The ornamental design for a dual-sided toothbrush, as shown and described herein. 